diff options
| -rw-r--r-- | drivers/devfreq/governor_cache_hwmon.c | 11 | ||||
| -rw-r--r-- | include/trace/events/power.h | 43 |
2 files changed, 48 insertions, 6 deletions
diff --git a/drivers/devfreq/governor_cache_hwmon.c b/drivers/devfreq/governor_cache_hwmon.c index 9973aeac4679..a2167e011a3d 100644 --- a/drivers/devfreq/governor_cache_hwmon.c +++ b/drivers/devfreq/governor_cache_hwmon.c @@ -28,6 +28,7 @@ #include <linux/platform_device.h> #include <linux/of.h> #include <linux/devfreq.h> +#include <trace/events/power.h> #include "governor.h" #include "governor_cache_hwmon.h" @@ -134,12 +135,9 @@ static unsigned long measure_mrps_and_set_irq(struct cache_hwmon_node *node, preempt_enable(); - dev_dbg(hw->df->dev.parent, - "stat H=%3lu, M=%3lu, L=%3lu, T=%3lu, b=%3u, f=%4lu, us=%d\n", - stat->mrps[HIGH], stat->mrps[MED], stat->mrps[LOW], - stat->mrps[HIGH] + stat->mrps[MED] + stat->mrps[LOW], - stat->busy_percent, hw->df->previous_freq / 1000, us); - + trace_cache_hwmon_meas(dev_name(hw->df->dev.parent), stat->mrps[HIGH], + stat->mrps[MED], stat->mrps[LOW], + stat->busy_percent, us); return 0; } @@ -168,6 +166,7 @@ static void compute_cache_freq(struct cache_hwmon_node *node, new_mhz += node->guard_band_mhz; *freq = new_mhz * 1000; + trace_cache_hwmon_update(dev_name(node->hw->df->dev.parent), *freq); } #define TOO_SOON_US (1 * USEC_PER_MSEC) diff --git a/include/trace/events/power.h b/include/trace/events/power.h index d6d8f5390647..5610ba0c892c 100644 --- a/include/trace/events/power.h +++ b/include/trace/events/power.h @@ -654,6 +654,49 @@ TRACE_EVENT(bw_hwmon_update, __entry->down_thres) ); +TRACE_EVENT(cache_hwmon_meas, + TP_PROTO(const char *name, unsigned long high_mrps, + unsigned long med_mrps, unsigned long low_mrps, + unsigned int busy_percent, unsigned int us), + TP_ARGS(name, high_mrps, med_mrps, low_mrps, busy_percent, us), + TP_STRUCT__entry( + __string(name, name) + __field(unsigned long, high_mrps) + __field(unsigned long, med_mrps) + __field(unsigned long, low_mrps) + __field(unsigned long, total_mrps) + __field(unsigned int, busy_percent) + __field(unsigned int, us) + ), + TP_fast_assign( + __assign_str(name, name); + __entry->high_mrps = high_mrps; + __entry->med_mrps = med_mrps; + __entry->low_mrps = low_mrps; + __entry->total_mrps = high_mrps + med_mrps + low_mrps; + __entry->busy_percent = busy_percent; + __entry->us = us; + ), + TP_printk("dev=%s H=%lu M=%lu L=%lu T=%lu busy_pct=%u period=%u", + __get_str(name), __entry->high_mrps, __entry->med_mrps, + __entry->low_mrps, __entry->total_mrps, + __entry->busy_percent, __entry->us) +); + +TRACE_EVENT(cache_hwmon_update, + TP_PROTO(const char *name, unsigned long freq_mhz), + TP_ARGS(name, freq_mhz), + TP_STRUCT__entry( + __string(name, name) + __field(unsigned long, freq) + ), + TP_fast_assign( + __assign_str(name, name); + __entry->freq = freq_mhz; + ), + TP_printk("dev=%s freq=%lu", __get_str(name), __entry->freq) +); + #endif /* _TRACE_POWER_H */ /* This part must be outside protection */ |